Douglas Lawrence McWeeny
- Bats Right, Throws Right
- Height 6' 2", Weight 190 lb.
- Debut April 24, 1921
- Final Game June 17, 1930
- Born August 17, 1896 in Chicago, IL USA
- Died January 1, 1953 in Melrose Park, IL USA
Doug McWeeny pitched for the Chicago White Sox in 1921 and part of 1922 before being sent to the San Francisco Seals for third baseman Willie Kamm. He went 15-7 with a 2.78 ERA for the Seals in 1922 and was 20-12 with a 3.91 mark the next year. He returned to the White Sox briefly in 1924 before going back to the minors. Back with the Seals in 1925, he went 20-5 with 175 strikeouts and led the Pacific Coast League with a 2.70 ERA. Beginning in 1926, he spent four seasons with the Brooklyn Dodgers, winning 14 games in 1928, before ending his big league career with the 1930 Cincinnati Reds.